mirror of https://github.com/BOINC/boinc.git
- user web: allow zero resource share
- client: allow zero resource share svn path=/trunk/boinc/; revision=20315
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@ -15,13 +15,21 @@
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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// This is the primary sample BOINC application;
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// it shows most of the features of the BOINC API.
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// This program serves as both
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// - An example BOINC application, illustrating the use of the BOINC API
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// - A program for testing various features of BOINC
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//
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// NOTE: this file exists as both
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// boinc/apps/upper_case.cpp
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// and
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// boinc_samples/example_app/uc2.cpp
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// If you update one, please update the other!
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// The program converts a mixed-case file to upper case:
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// read "in", convert to upper case, write to "out"
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//
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// command line options (use for debugging various scenarios):
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// -run_slow: sleep 1 second after each character; useful for debugging
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// command line options
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// -run_slow: sleep 1 second after each character
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// -cpu_time N: use about N CPU seconds after copying files
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// -early_exit: exit(10) after 30 chars
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// -early_crash: crash after 30 chars
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@ -62,16 +70,21 @@ bool run_slow = false;
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bool early_exit = false;
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bool early_crash = false;
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bool early_sleep = false;
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double cpu_time = 20;
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double cpu_time = 20, comp_result;
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static void use_some_cpu() {
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double j = 3.14159;
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int i, n = 0;
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for (i=0; i<20000000; i++) {
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n++;
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j *= n+j-3.14159;
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j /= (float)n;
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// do a billion floating-point ops
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// (note: I needed to add an arg to this;
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// otherwise the MS C++ compiler optimizes away
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// all but the first call to it!)
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//
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static double do_a_giga_flop(int foo) {
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double x = 3.14159*foo;
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int i;
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for (i=0; i<500000000; i++) {
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x += 5.12313123;
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x *= 0.5398394834;
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}
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return x;
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}
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int do_checkpoint(MFILE& mf, int nchars) {
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@ -83,25 +96,36 @@ int do_checkpoint(MFILE& mf, int nchars) {
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fprintf(f, "%d", nchars);
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fclose(f);
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fprintf(stderr, "APP: upper_case checkpointing\n");
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retval = mf.flush();
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if (retval) return retval;
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boinc_resolve_filename_s(CHECKPOINT_FILE, resolved_name);
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retval = boinc_rename("temp", resolved_name.c_str());
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if (retval) return retval;
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//use_some_cpu();
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fprintf(stderr, "APP: upper_case checkpoint done\n");
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return 0;
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}
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#ifdef APP_GRAPHICS
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void update_shmem() {
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if (!shmem) return;
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// always do this; otherwise a graphics app will immediately
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// assume we're not alive
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shmem->update_time = dtime();
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// Check whether a graphics app is running,
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// and don't bother updating shmem if so.
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// This doesn't matter here,
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// but may be worth doing if updating shmem is expensive.
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//
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if (shmem->countdown > 0) {
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// the graphics app sets this to 5 every time it renders a frame
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shmem->countdown--;
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} else {
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return;
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}
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shmem->fraction_done = boinc_get_fraction_done();
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shmem->cpu_time = boinc_worker_thread_cpu_time();;
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shmem->update_time = dtime();
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boinc_get_status(&shmem->status);
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}
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#endif
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@ -125,7 +149,12 @@ int main(int argc, char **argv) {
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}
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retval = boinc_init();
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if (retval) exit(retval);
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if (retval) {
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fprintf(stderr, "%s boinc_init returned %d\n",
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boinc_msg_prefix(), retval
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);
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exit(retval);
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}
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// open the input file (resolve logical name first)
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//
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@ -133,7 +162,8 @@ int main(int argc, char **argv) {
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infile = boinc_fopen(input_path, "r");
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if (!infile) {
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fprintf(stderr,
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"Couldn't find input file, resolved name %s.\n", input_path
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"%s Couldn't find input file, resolved name %s.\n",
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boinc_msg_prefix(), input_path
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);
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exit(-1);
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}
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@ -156,13 +186,17 @@ int main(int argc, char **argv) {
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if (state && n==1) {
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fseek(infile, nchars, SEEK_SET);
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boinc_truncate(output_path, nchars);
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retval = out.open(output_path, "a");
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retval = out.open(output_path, "ab");
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} else {
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retval = out.open(output_path, "w");
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retval = out.open(output_path, "wb");
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}
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if (retval) {
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fprintf(stderr, "APP: upper_case output open failed:\n");
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fprintf(stderr, "resolved name %s, retval %d\n", output_path, retval);
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fprintf(stderr, "%s APP: upper_case output open failed:\n",
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boinc_msg_prefix()
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);
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fprintf(stderr, "%s resolved name %s, retval %d\n",
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boinc_msg_prefix(), output_path, retval
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);
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perror("open");
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exit(1);
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}
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@ -171,12 +205,18 @@ int main(int argc, char **argv) {
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// create shared mem segment for graphics, and arrange to update it
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//
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shmem = (UC_SHMEM*)boinc_graphics_make_shmem("uppercase", sizeof(UC_SHMEM));
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if (!shmem) {
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fprintf(stderr, "%s failed to create shared mem segment\n",
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boinc_msg_prefix()
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);
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}
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update_shmem();
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boinc_register_timer_callback(update_shmem);
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#endif
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// main loop - read characters, convert to UC, write
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//
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for (i=0; ; i++) {
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for (int i=0; ; i++) {
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c = fgetc(infile);
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if (c == EOF) break;
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@ -202,7 +242,9 @@ int main(int argc, char **argv) {
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if (boinc_time_to_checkpoint()) {
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retval = do_checkpoint(out, nchars);
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if (retval) {
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fprintf(stderr, "APP: upper_case checkpoint failed %d\n", retval);
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fprintf(stderr, "%s APP: upper_case checkpoint failed %d\n",
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boinc_msg_prefix(), retval
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);
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exit(retval);
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}
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boinc_checkpoint_completed();
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@ -215,7 +257,9 @@ int main(int argc, char **argv) {
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retval = out.flush();
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if (retval) {
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fprintf(stderr, "APP: upper_case flush failed %d\n", retval);
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fprintf(stderr, "%s APP: upper_case flush failed %d\n",
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boinc_msg_prefix(), retval
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);
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exit(1);
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}
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@ -223,7 +267,7 @@ int main(int argc, char **argv) {
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//
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if (cpu_time) {
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double start = dtime();
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while (1) {
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for (int i=0; ; i++) {
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double e = dtime()-start;
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if (e > cpu_time) break;
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fd = .5 + .5*(e/cpu_time);
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@ -232,13 +276,14 @@ int main(int argc, char **argv) {
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if (boinc_time_to_checkpoint()) {
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retval = do_checkpoint(out, nchars);
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if (retval) {
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fprintf(stderr, "APP: upper_case checkpoint failed %d\n", retval);
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fprintf(stderr, "%s APP: upper_case checkpoint failed %d\n",
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boinc_msg_prefix(), retval
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);
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exit(1);
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}
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boinc_checkpoint_completed();
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}
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use_some_cpu();
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comp_result = do_a_giga_flop(i);
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}
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}
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boinc_fraction_done(1);
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@ -789,3 +789,15 @@ David 28 Jan 2010
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client/
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client_types.cpp
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cs_statefile.cpp
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David 29 Jan 2010
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- user web: allow zero resource share
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- client: allow zero resource share
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apps/
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upper_case.cpp
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html/inc/
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prefs.inc
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client/
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work_fetch.cpp
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makefile_sim
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@ -1,3 +1,6 @@
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# makefile for client simulator
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# DO MAKE CLEAN IN CLIENT/ and LIB/ FIRST
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CXXFLAGS = -g -DSIM \
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-I ../lib \
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-I ..
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@ -937,14 +937,20 @@ void WORK_FETCH::compute_shares() {
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}
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if (!p->pwf.can_fetch_work) continue;
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if (p->cpu_pwf.may_have_work) {
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p->cpu_pwf.fetchable_share = p->resource_share/cpu_work_fetch.total_fetchable_share;
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msg_printf(p, MSG_INFO, "FS: %f = %f/%f\n", p->cpu_pwf.fetchable_share, p->resource_share, cpu_work_fetch.total_fetchable_share);
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p->cpu_pwf.fetchable_share = cpu_work_fetch.total_fetchable_share?p->resource_share/cpu_work_fetch.total_fetchable_share:1;
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if (log_flags.work_fetch_debug) {
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msg_printf(p, MSG_INFO,
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"[wfd] FS: %f = %f/%f\n",
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p->cpu_pwf.fetchable_share, p->resource_share,
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cpu_work_fetch.total_fetchable_share
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);
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}
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}
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if (coproc_cuda && p->cuda_pwf.may_have_work) {
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p->cuda_pwf.fetchable_share = p->resource_share/cuda_work_fetch.total_fetchable_share;
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p->cuda_pwf.fetchable_share = cuda_work_fetch.total_fetchable_share?p->resource_share/cuda_work_fetch.total_fetchable_share:1;
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}
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if (coproc_ati && p->ati_pwf.may_have_work) {
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p->ati_pwf.fetchable_share = p->resource_share/ati_work_fetch.total_fetchable_share;
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p->ati_pwf.fetchable_share = ati_work_fetch.total_fetchable_share?p->resource_share/ati_work_fetch.total_fetchable_share:1;
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}
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}
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}
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if ($primary) {
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$xml = "<project_preferences>\n";
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}
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if ($prefs->resource_share) {
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$xml = $xml ."<resource_share>$prefs->resource_share</resource_share>\n";
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}
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if ($prefs->allow_beta_work) {
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$xml = $xml . "<allow_beta_work>1</allow_beta_work>\n";
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}
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